Home / 14,513.70-21,756.78-4,647.90

Finding the Fourth Proportional to 14,513.70, 21,756.78 and 4,647.90

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Solution

The fourth proportional to 14,513.70, 21,756.78 and 4,647.90 is: 6,967.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.70 : 21,756.78 = 4,647.90 : x
  2. Step 2: Convert to fraction form
    14,513.70/21,756.78 = 4,647.90/x
  3. Step 3: Cross multiply
    14,513.70x = 21,756.78 × 4,647.90
  4. Step 4: Simplify right side
    14,513.70x = 101,123,337.76
  5. Step 5: Solve for x
    x = 101,123,337.76/14,513.70
  6. Step 6: Final answer
    x = 6,967.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.